STANDARD FEATURES
- ⅞” Insulated glass
- OX / XO Configurations
- Removable sash for easy cleaning and maintenance
- Integral extruded pull rails on both sash
- Spring loaded stainless steel keeper and high pressure zinc die cast sash lock
- Adjustable rollers with stainless steel axles
- Fiberglass mesh screens
OPTIONAL FEATURES
- XX / OXO Configurations
- Flanges (1 ½”, 2 ½”)
- Head expander
- Add-on nailing fin
OPTIONAL FEATURES
- Receptor system
- Trims
| MODEL | AAMA RATING | STRUCTURAL LOAD (psf) | TEST SIZE | WIND SPEED (mph) | AIR (cfm/ft²) | WATER | U-VALUE¹ | CR |
|---|---|---|---|---|---|---|---|---|
| 2520 | C-50 | 75 | 71" X 60" | 25 (1.6psf) | <0.2 | 7.5 | 035 - 0.45 | |
| 2525 | C-65 / CW-35 | 97.5 | 71" X 60" | 25 (1.6psf) | <0.2 | 10 | 035 - 0.45 |
Performance data based on testing by AAMA Accredited Laboratory and NFRC Simulation software/or independent testing. Actual results will vary based on field conditions, locations, size/configurations or glazing options. Be sure to verify the performance requirements for your particular project. 1 U-Values will vary depending on the glazing selected. 2 Higher ratings available. Please contact Northern for more information. 3 Size and weight limitations apply when utilizing concealed hinges.
STANDARD FEATURES
- ⅞” Insulated glass
- OX / XO Configurations
- Removable sash for easy cleaning and maintenance
- Integral extruded pull rails on both sash
- Spring loaded stainless steel keeper and high pressure zinc die cast sash lock
- Adjustable rollers with stainless steel axles
- Fiberglass mesh screens
OPTIONAL FEATURES
- XX / OXO Configurations
- Flanges (1 ½”, 2 ½”)
- Head expander
- Add-on nailing fin
OPTIONAL FEATURES
- Receptor system
- Trims
| MODEL | AAMA RATING | STRUCTURAL LOAD (psf) | TEST SIZE | WIND SPEED (mph) | AIR (cfm/ft²) | WATER | U-VALUE¹ | CR |
|---|---|---|---|---|---|---|---|---|
| 2520 | C-50 | 75 | 71" X 60" | 25 (1.6psf) | <0.2 | 7.5 | 035 - 0.45 | |
| 2525 | C-65 / CW-35 | 97.5 | 71" X 60" | 25 (1.6psf) | <0.2 | 10 | 035 - 0.45 |
Performance data based on testing by AAMA Accredited Laboratory and NFRC Simulation software/or independent testing. Actual results will vary based on field conditions, locations, size/configurations or glazing options. Be sure to verify the performance requirements for your particular project. 1 U-Values will vary depending on the glazing selected. 2 Higher ratings available. Please contact Northern for more information. 3 Size and weight limitations apply when utilizing concealed hinges.